pidgin/pidgin

Fix a number of issues with the pidgin api reference

2021-01-15, Gary Kramlich
3ec3eae31fe4
Fix a number of issues with the pidgin api reference

Testing Done:
Build the docs locally, confirmed fixes in the output.

Reviewed at https://reviews.imfreedom.org/r/432/
libpurple/data/purple-url-handler.desktop.in
libpurple/protocols/null/nullprpl.c
pidgin/data/im.pidgin.Pidgin.desktop.in
sub/libpurple/data/purple-url-handler.desktop.in
sub/libpurple/protocols/null/nullprpl.c
sub/pidgin/data/im.pidgin.Pidgin.desktop.in